diff --git a/ML/requirements2.txt b/ML/requirements2.txt
index 5858afaf..7816927a 100644
--- a/ML/requirements2.txt
+++ b/ML/requirements2.txt
@@ -13,7 +13,7 @@ numpy==1.16.4
 opencv-python==4.1.0.25
 Pillow==6.1.0
 protobuf==3.8.0
-PyYAML==5.1.2
+PyYAML==5.4
 scipy==1.3.1
 six==1.12.0
 tb-nightly==1.14.0a20190603
diff --git a/ML/requirements3.txt b/ML/requirements3.txt
index 4cc4932f..80c7d038 100644
--- a/ML/requirements3.txt
+++ b/ML/requirements3.txt
@@ -104,7 +104,7 @@ python-xapp==1.2.0
 python-xlib==0.20
 pytz==2018.3
 pyxdg==0.26
-PyYAML==4.2b1
+PyYAML==5.4
 pyzmq==18.0.2
 reportlab==3.4.0
 requests==2.22.0